synovitis

And “synovitis” has a fiercely medical sound, harsh and precise, and provides a very specific anatomic explanation.

Acute arthritis begins like an ordinary attack of synovitis.

We may, in fact, explain them by suggesting either a chronic synovitis alone, or a synovitis complicated with periostitis.

These are generally limited to those enumerated as belonging to synovitis, except that the disability is more pronounced.